The present invention relates to a wireless communication system and, in particular, to a method and an apparatus therefor, the method comprising: receiving first downlink control information (DCI) including downlink scheduling information and information on a HARQ-ACK feedback type; transmitting a HARQ-ACK feedback regarding a first physical downlink shared channel (PDSCH) corresponding to the downlink scheduling information, on the basis of the HARQ-ACK feedback type indicating a first type; and delaying transmission of the HARQ-ACK feedback regarding the first PDSCH or transmitting a previously-received HARQ-ACK feedback regarding a second PDSCH, on the basis of the HARQ-ACK feedback type indicating a second type.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The communication method according to claim 1, wherein the HARQ-ACK information is transmitted based on transmission timing information included in the first DCI.
3. The communication method according to claim 1, wherein the HARQ-ACK information is transmitted in an unlicensed band (U-band).
4. The communication method according to claim 1, wherein the first DCI is received during a discontinuous reception (DRX) on duration configured for the apparatus.
6. The apparatus according to claim 5, wherein the HARQ-ACK information is transmitted based on transmission timing information included in the DCI.
7. The apparatus according to claim 5, wherein the HARQ-ACK information is transmitted in an unlicensed band (U-band).
8. The apparatus according to claim 5, wherein the operations further comprise: receiving the first DCI during a discontinuous reception (DRX) on duration configured for the apparatus.
9. The apparatus according to claim 5, wherein the apparatus includes an autonomous driving vehicle communicable with at least one of a user equipment (UE), a network, or another autonomous driving vehicle other than the apparatus.
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October 3, 2022
August 6, 2024
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